linux-kernel - Re: 4.18.0-rc1-next-20180619 boot failed on beagle board x15

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Date:   Wed, 18 Jul 2018 10:35:30 +0530
From:   Keerthy <j-keerthy@...com>
To:     Tony Lindgren <tony@...mide.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>
CC:     Tejun Heo <tj@...nel.org>, Roger Quadros <rogerq@...com>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        <linux-omap@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>, <ssantosh@...nel.org>,
        Olof Johansson <olof@...om.net>, Tero Kristo <t-kristo@...com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Samuel Morris <samorris@...mark.com>
Subject: Re: 4.18.0-rc1-next-20180619 boot failed on beagle board x15



On Tuesday 17 July 2018 01:33 PM, Tony Lindgren wrote:
> * Stephen Rothwell <sfr@...b.auug.org.au> [180717 08:03]:
>> Hi Tony,
>>
>> On Mon, 16 Jul 2018 23:08:08 -0700 Tony Lindgren <tony@...mide.com> wrote:
>>>
>>> The following regression is still pending in next, see below.
>>>
>>> * Samuel Morris <samorris@...mark.com> [180702 13:35]:
>>>> On Mon, Jul 2, 2018 at 5:32 AM, Tony Lindgren <tony@...mide.com> wrote:  
>>>>> Hi,
>>>>>
>>>>> * Roger Quadros <rogerq@...com> [180621 14:56]:  
>>>>>> On 21/06/18 17:31, Samuel Morris wrote:  
>>>>>>> On Thu, Jun 21, 2018 at 3:58 AM, Roger Quadros <rogerq@...com> wrote:  
>>>>>>>> +Rafael
>>>>>>>>
>>>>>>>> On 20/06/18 18:30, Samuel Morris wrote:  
>>>>>>>>> On Wed, Jun 20, 2018 at 8:58 AM, Roger Quadros <rogerq@...com> wrote:  
>>>>>>>>>> Tony,
>>>>>>>>>>
>>>>>>>>>> On 20/06/18 13:29, Tony Lindgren wrote:  
>>>>>>>>>>> Hi,
>>>>>>>>>>>
>>>>>>>>>>> * Naresh Kamboju <naresh.kamboju@...aro.org> [180620 05:55]:  
>>>>>>>>>>>> Linux next (4.18.0-rc1-next-20180619) boot failed on beagle board x15.  
>>>>>>>>>>>
>>>>>>>>>>> Bisect points to commit aece27a2f01b ("ata: ahci_platform: allow disabling of
>>>>>>>>>>> hotplug to save power").
>>>>>>>>>>>
>>>>>>>>>>> Reverting the patch makes things work again. Any ideas what
>>>>>>>>>>> might be going wrong here? Things clearly idle but then there
>>>>>>>>>>> seems to be some register access with clocks disabled.  
>>>>>
>>>>> So this issue is still happening as of next-20180702. Can you guys
>>>>> please revert the commit above while working on a better solution?  
>>>>
>>>> That's fine with me. I'm not very familiar with the process here, does
>>>> this require anything on my end? And would that require the
>>>> accompanying patch to be reverted: "ata: ahci: rpm_put port on
>>>> port_stop to match rpm_get in port_start"? There shouldn't be any
>>>> problem leaving that one in, but I just want to know before submitting
>>>> my next patch set.  
>>>
>>> Well usually the maintainer just reverts the regression causing
>>> patch in the related branch and that's it.
>>>
>>> Stephen, can you please revert in next until we hear back from
>>> Tejun?
>>
>> OK, I have reverted that commit from today.  Please let me know when the
>> problem is fixed in the libata tree ...

Hi Stephen,

Thanks for the revert.

commit 1dcbe5f2c615337cb7d4e13fab198ab716180733
Author: Stephen Rothwell <sfr@...b.auug.org.au>
Date:   Tue Jul 17 19:02:59 2018 +1000

With the above top commit i confirm that BEAGLE-X15, AM572X-IDK,
AM574X-IDK, DRA7, DRA72 TI platforms booted to prompt.

Regards,
Keerthy

> 
> Thanks!
> 
> Tony
> 
> 
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